Home / 9,127.96-13,685.76-3,577.84

Finding the Fourth Proportional to 9,127.96, 13,685.76 and 3,577.84

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Solution

The fourth proportional to 9,127.96, 13,685.76 and 3,577.84 is: 5,364.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.96 : 13,685.76 = 3,577.84 : x
  2. Step 2: Convert to fraction form
    9,127.96/13,685.76 = 3,577.84/x
  3. Step 3: Cross multiply
    9,127.96x = 13,685.76 × 3,577.84
  4. Step 4: Simplify right side
    9,127.96x = 48,965,425.34
  5. Step 5: Solve for x
    x = 48,965,425.34/9,127.96
  6. Step 6: Final answer
    x = 5,364.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.